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I am Lyosha [343]
3 years ago
11

Why is it Important that the chromosomes are doubled before mitosis

Biology
2 answers:
Sati [7]3 years ago
6 0
Mitosis separates the chromosomes into two different daughter cells.
Virty [35]3 years ago
3 0

Answer:

It is important for the doubling of chromosomes before mitosis because if they double then each daughter cell recieve same number of chromosome.

Explanation:

This doubling of chromosomes takes place in S phase I.e. synthesis where replication of chromosome occur.

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Setler79 [48]

Animals with a three-chambered heart would include Amphibians.

  • Amphibians have three-chambered which comprises of two Atria and one ventricle. Examples of Amphibians include Frog, Toads, Salamanders.
  • In Amphibians heart blood from the single ventricle travels to the lungs, skin, and body, where it is oxygenated. Before being pumped out of the heart, deoxygenated and oxygenated blood are mixed in the ventricle.
  • This is because the Amphibians have low rate of metabolism and thus requires less oxygen for their metabolism.
  • As a result heart's load to deliver oxygenated blood to body is lowered.

Thus, from the above pointers we can conclude that only Amphibians from the option have three-chambered heart.

Learn more about Amphibians:

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4 0
1 year ago
Elements in group ________ are common alkaline earth metals. <br> Answer ?
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The answer is:  "2A" or "IIA" or "2" or "II"; 
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In which "II" stands for the Roman numeral representing the number: "2 (two)".
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3 0
3 years ago
What problem is addressed by bioremediation.
Y_Kistochka [10]

Answer:

Bioremediation uses micro-organisms to reduce pollution through the biological degradation of pollutants into non-toxic substances. This can involve either aerobic or anaerobic micro-organisms that often use this breakdown as an energy source.

7 0
2 years ago
Why do scientists need to run PCR in order to work with DNA?
prisoha [69]
PCR multiplies the DNA in 25 to 75 cycles
8 0
3 years ago
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Cnidaria and flatworms exchange gases and remove wastes by way of their:
photoshop1234 [79]
The answer is D, moist skin surfaces.

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